Home / 66,077.21-91,185.25-37,396.35

Finding the Fourth Proportional to 66,077.21, 91,185.25 and 37,396.35

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Solution

The fourth proportional to 66,077.21, 91,185.25 and 37,396.35 is: 51,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,077.21 : 91,185.25 = 37,396.35 : x
  2. Step 2: Convert to fraction form
    66,077.21/91,185.25 = 37,396.35/x
  3. Step 3: Cross multiply
    66,077.21x = 91,185.25 × 37,396.35
  4. Step 4: Simplify right side
    66,077.21x = 3,409,995,772.79
  5. Step 5: Solve for x
    x = 3,409,995,772.79/66,077.21
  6. Step 6: Final answer
    x = 51,606.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.